Apple is seeking physiologists to join its team, according to a new call for job applicants discovered by 9to5Mac today. The position on offer is for a “User Studies Exercise Physiologist,” and seeks a candidate who will be responsible for creating and conducting studies “related to cardiovascular fitness & energy expenditure, including calories burned, metabolic rate, aerobic fitness level measurement/tracking” and more.

At the very end of the listing, Apple also notes that the right candidate will not only need to gather and research this kind of data, but also “apply relevant knowledge to the design of products and their testing/validation through user studies.”